14431-67-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 14431-67-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,4,4,3 and 1 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 14431-67:
(7*1)+(6*4)+(5*4)+(4*3)+(3*1)+(2*6)+(1*7)=85
85 % 10 = 5
So 14431-67-5 is a valid CAS Registry Number.